Hook



FIG. 1 is a top, left, front perspective view thereof;

FIG. 2 is a top view thereof;

FIG. 3 is a bottom view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a front view thereof; and,

FIG. 7 is a rear view thereof.

The broken away symbols in the drawings indicate that any portion of the article beyond what is shown forms no part of the claimed design. 

CLAIM The ornamental design for a hook, as shown and described. 